Home / 5,480.87-8,223.37-3,291.17

Finding the Fourth Proportional to 5,480.87, 8,223.37 and 3,291.17

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Solution

The fourth proportional to 5,480.87, 8,223.37 and 3,291.17 is: 4,937.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.87 : 8,223.37 = 3,291.17 : x
  2. Step 2: Convert to fraction form
    5,480.87/8,223.37 = 3,291.17/x
  3. Step 3: Cross multiply
    5,480.87x = 8,223.37 × 3,291.17
  4. Step 4: Simplify right side
    5,480.87x = 27,064,520.97
  5. Step 5: Solve for x
    x = 27,064,520.97/5,480.87
  6. Step 6: Final answer
    x = 4,937.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.